Chocolate Pinecone Rolls

Name: Chocolate Pinecone Rolls
Prep time: 1 h 45 min
Cook time: 15 min
Total time: 2 h
Cuisine: World Cuisine
Ingredients: 4 cups (482g) all-purpose flour; ½ cup (43g) cocoa powder; ½ cup (99g) granulated sugar; 1½ teaspoons instant yeast; 1 teaspoon fine sea salt; ¾ cup (170g) sour cream; 1 cup (227g) warm water (around 100°F); 4 tablespoons (56g) unsalted butter, melted; 1 large (56g) egg; 2½ ounces (71g) bittersweet chocolate, finely chopped; Confectioners’ sugar, as needed for finishing